Products News
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Analysis of the Advantages and Disadvantages of the Five Common Types of Valves 2
3. Ball Valve The ball valve evolved from the plug valve. Its opening and closing part is a sphere, and the sphere rotates 90°around the axis of the valve stem to achieve the purpose of opening and closing. The ball valve is mainly used on pipelines to cut off, distribut...Read more -
Heat Treatment Process for WCB Castings
WCB, a carbon steel casting material conforming to ASTM A216 Grade WCB, undergoes a standardized heat treatment process to achieve the required mechanical properties, dimensional stability, and resistance to thermal stress. Below is a detailed description of the typical ...Read more -
The two types of TWS rubber seat-Innovative Rubber Valve Seats for Enhanced Performance
TWS VALVE, a trusted manufacturer of resilient seated butterfly valves, proudly introduces two advanced rubber seat solutions engineered for superior sealing and durability: FlexiSeal™ Soft Rubber Seats Crafted from premium EPDM or NBR compounds, our soft seats deliver exceptional elasticity an...Read more -
Analysis of the advantages and disadvantages of the five common valves
There are many types of valves, each has its own advantages and disadvantages, the following lists the advantages and disadvantages of five valves, including gate valves, butterfly valves,ball valves, globe valves and plug valves,I hope to help you. Gate valve...Read more -
Leakage fault and elimination method after installation of the soft seal butterfly valve in the middle line
The inner sealing of the concentric line soft seal butterfly valve D341X-CL150 relies on the seamless contact between the rubber seat and the butterfly plate YD7Z1X-10ZB1 , and the valve has a two-way sealing function. The stem sealing of the valve relies on the sealing convex surface of the rubb...Read more -
Classification of Air Valves
Air valves GPQW4X-10Q are applied to the pipeline exhaust in independent heating systems, centralized heating systems, heating boilers, central air conditioners, floor heating systems, solar heating systems, etc. Since water usually dissolves a certain amount of air, and the solubility of air dec...Read more -
How to Select the Valve Electric Actuator of the Electrically Adjustable Wafer Butterfly Valve D67A1X-10ZB1
The butterfly valve with electric actuator D67A1X-10ZB1 is an important driving force for the electrically adjustable resilient seated wafer butterfly valve, and its model selection determines the actual on-site operation of the product. At the same time, there are some specific selection criteri...Read more -
Features of D371X Manual Operated Soft Seal Butterfly Valve
Tianjin Tanggu Water-seal Valve was established in 1997, which is a professional manufacture that integrates design and development, production, installation, sales and service. The main products include TWS YD7A1X-16 Wafer Butterfly Valve, Gate valve, Check valve,GL41H Flanged type Y strainer, ...Read more -
Selection of surfacing materials for valve sealing surfaces
The sealing surface of steel valves (DC341X-16 Double flanged eccentric butterfly valve) is generally manufactured by (TWS valve )surfacing welding. The materials used for valve surfacing are divided into 4 major categories according to the alloy type, namely cobalt-based alloys, nickel-based al...Read more -
TWS valves – the connection between valves and pipes
The connection between the valve and the pipe The way in which the valve is connected to the pipe (1) Flange connection: Flange connection is one of the most common pipe connection methods. Gaskets or packings are usually placed between the flanges and bolted together to form a reliable seal. Suc...Read more -
What should I do if I encounter non-fusion and non-penetration defects after valve welding?
1. Defect characteristics Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal. Failure to penetrate refers to the phenomenon that the root of the welded joint is not completely penetrated. Both non-fu...Read more -
Basic knowledge and precautions of valve corrosion
Corrosion is one of the most important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important issue to consider. Valve corrosion form The corrosion of metals is mainly caused by chemical corrosion and electrochemical corrosion, and the corrosion of ...Read more
